In March, Dehiwala-Mount Lavinia typically sees daytime highs of 31.7°C and overnight lows around 23.7°C. Compared to the annual average high of 30.4°C, March runs +1.4°C.
March in Dehiwala-Mount Lavinia averages a daytime high of 31.7°C and an overnight low of 23.7°C.
March runs +1.4°C compared to Dehiwala-Mount Lavinia's annual average high of 30.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 31.7°C and cooler evenings around 23.7°C.